Patents
Patents for G01R 1 - Details of instruments or arrangements of the types covered by groups  or (27,269)
05/1989
05/02/1989US4827272 Overhead power line clamp and antenna
05/02/1989US4827211 Wafer probe
05/02/1989US4826441 Test board connectors and method for attaching
05/02/1989CA1253570A1 Current measurement shunt
04/1989
04/26/1989EP0313001A2 Test adapter for integrated circuit carrier
04/26/1989EP0312623A1 Dielectric probe, method and apparatus including its use
04/26/1989EP0312605A1 Detector for force, acceleration and magnetism using resistor element
04/25/1989US4825155 X-band logic test jig
04/25/1989US4825154 Current probe
04/25/1989US4825153 Shunt element for measuring current comprising compensation means
04/25/1989US4824392 Burn-in socket for gull wing integrated circuit package
04/25/1989US4824389 Socket for electronic component
04/25/1989US4823572 Lockable terminal cover for bottom connected metering devices
04/20/1989DE3832410A1 Contact device
04/19/1989EP0311750A2 Technique for eliminating of static in printed circuit board test fixtures
04/18/1989US4823079 Device for equipping an adapter with contact pins used with a circuit board test equipment
04/18/1989US4822295 Small outline SMT test connector
04/11/1989US4820976 Test fixture capable of electrically testing an integrated circuit die having a planar array of contacts
04/11/1989US4820975 Test apparatus for printed circuit boards
04/11/1989US4820190 Electrical component mounting and connection assembly
04/06/1989DE3732197A1 Arrangement for testing a printed circuit board
04/06/1989DE3732144A1 Electronically controllable scale and dial
04/05/1989EP0310302A2 Multipurpose socket
04/04/1989US4819178 Automatic circuit adjusting system and circuit adjusting tool therefor
04/04/1989US4819129 Removable watt-hour meter socket compartment panel cover with safety partition
04/04/1989US4818933 Board fixturing system
04/04/1989US4818238 Test socket for leadless chip carrier
04/04/1989US4818072 Method for remotely detecting an electric field using a liquid crystal device
04/04/1989CA1252221A1 Wafer probe with mounted amplifier
03/1989
03/29/1989EP0309116A2 Fixture for an integrated circuit chip
03/29/1989EP0309109A2 Testing process for electronic devices
03/28/1989US4816754 Contactor and probe assembly for electrical test apparatus
03/28/1989US4816752 Method and apparatus for low power offset correction of amplified sensor signals
03/22/1989EP0308348A1 Test head robot for automatic testing
03/22/1989EP0308347A1 Test head robot having a modified suspension
03/22/1989EP0307503A1 A grid-based, "cross-check" test structure for testing integrated circuits
03/21/1989US4814698 Technique for elimination of static in printed circuit board test fixtures
03/21/1989US4814697 For the contacting of conductor plates
03/15/1989EP0306741A2 Device for making contacts on an electrical circuit board
03/14/1989US4812901 Probe apparatus
03/14/1989US4812755 Base board for testing integrated circuits
03/14/1989US4812754 Circuit board interfacing apparatus
03/14/1989US4812747 Transducer linearizing system
03/14/1989US4812745 Probe for testing electronic components
03/14/1989US4812740 Coating detector for low emissivity glass
03/14/1989CA1251288A1 Piezoelectric pressure sensing apparatus for integrated circuit testing stations
03/08/1989EP0306393A1 A short-wire bed-of-nails test fixture
03/08/1989EP0305951A1 Testing of integrated circuit devices on loaded printed circuit boards
03/08/1989EP0305734A2 Test arrangement for circuit boards
03/07/1989US4811246 Micropositionable piezoelectric contactor
03/07/1989US4810956 Mounting bracket for test probes
03/01/1989EP0305076A2 Personality board
03/01/1989EP0304868A2 Multiple lead probe for integrated circuits in wafer form
02/1989
02/28/1989US4808919 Adjustable device for measuring the characteristics of a microwave component
02/28/1989US4808119 Zero insertion force mounting housings for electronic device packages
02/28/1989CA1250619A1 Meter mounting ring
02/23/1989WO1989001389A1 Registration of hole centres for cutting printed board samples
02/21/1989US4806856 Adjustable quick-mount test probe assembly
02/14/1989US4804917 Current detection device having an extended frequency range of response
02/14/1989US4804903 System for measuring load current in an electronically controlled switch
02/09/1989WO1989001166A1 Current detection device having an extended frequency range of response
02/07/1989US4803424 Short-wire bed-of-nails test fixture
02/07/1989US4803423 Input circuit for a probe of a logic analyser and probe and logic analyser provided with such a circuit
02/07/1989US4803419 Testing head device for a microwave network analyzer
02/07/1989US4802953 Continuous on-line conductivity probe
02/07/1989US4802869 Probeable electrical connector
01/1989
01/31/1989US4802163 Test-facilitating circuit and testing method
01/31/1989US4801876 Printed wiring board tester
01/31/1989US4801866 Electric circuit testing equipment
01/31/1989US4801561 Method for making a pre-testable semiconductor die package
01/31/1989US4801273 Socket
01/31/1989CA1249632A1 Polyphase electrical signal measuring apparatus
01/26/1989DE3823928A1 Method and arrangement for the determination of geometric data in the electrical testing of printed circuit boards
01/24/1989US4799897 IC tester socket
01/24/1989CA1249340A1 Electrical connector for electrical circuit test probe and connector
01/24/1989CA1249339A1 Electrical circuit test probe and connector
01/19/1989DE3722619A1 Device for measuring the stray parameters of a planar structure in the millimetre wave range
01/18/1989EP0299427A2 Voltage detector
01/18/1989EP0299232A1 Circuit board test fixture
01/17/1989US4799009 Semiconductor testing device
01/17/1989US4799007 Bendable pin board test fixture
01/17/1989US4799006 Automatic testing equipment
01/12/1989DE3722485A1 Elastic contact needle and contacting device
01/11/1989EP0298377A1 Contact probe arrangement
01/11/1989EP0298219A2 Method and apparatus for testing unpackaged integrated circuits in a hybrid circuit environment
01/10/1989US4797610 Electronic test fixture
01/10/1989US4797118 Test adapter for integrated circuit carrier
01/05/1989DE3721312A1 Adjustable universal spring contact pin for making contact with test points at any desired coordinates on a predetermined grid area
01/04/1989EP0297562A2 Voltage detector
01/04/1989EP0297231A2 Electroforming shielding elements against electromagnetic pulses
01/04/1989CN2030326U High-resistance thermostatic trough with small volume and low energy consumption
01/04/1989CN2030325U Multi-functional light-control device for digital microammeter
01/03/1989US4795989 MMW microstrip coupler having movable test probe
01/03/1989US4795977 Interface system for interfacing a device tester to a device under test
01/03/1989US4795975 Thermal and electromagnetic shield for power meter
12/1988
12/28/1988CN88211492U Electric connecting socket for monitoring the dynamic reliability of electronic elements
12/27/1988US4794326 Transducer for current measurements
12/22/1988DE3719275A1 Arrangement for the interference-free and low-reaction measurement of an electrical quantity
12/21/1988EP0295413A1 Mechanical probe for the optical measurement of electrical potentials
12/20/1988CA1247255A1 Measuring and damping resistor arrangement for a high- voltage apparatus